When a mistake happens, we learn from it.

No one could explain what happened last night at the old mill.

We attended several community happenings that celebrated local art and food.

I was planning to call her, and as it happens, she called me first.

I'm not going to worry about the outcome; whatever happens, happens, and we'll deal with it.

When you travel, these things happen, and you just have to go with the flow.

I was looking for a rare book, and as it so happens, my neighbor had just listed one for sale online.

We double-checked every detail, but accidents will happen, so we set aside extra time for contingencies.

With the old wiring and overloaded sockets, a fire was waiting to happen.

He claims he met the celebrity at a cafe, but without a photo, or it didn't happen.